$ cat install_harbor.yml

- hosts: localhost
  gather_facts: false
  connection: local
  tasks:
  - add_host:
      name: "{{ item }}"
      group: "harbor"
    with_items: "{{ hosts.split(',') }}"

- name: install harbor
  gather_facts: true
  hosts: "harbor"
  user: "{{ ansible_ssh_user | default(test) }}"

  vars:
    ADMIN_PASSWORD: "{{ admin_password|default('Admin@123') }}"
    BASE_DIR: "{{ path|default('/opt/harbor') }}"
    DATA_DIR: "{{ BASE_DIR }}/data"
    CONFIG_DIR: "{{ BASE_DIR }}/harbor"
    DOMAIN: "{{ domain|default('www.example.com') }}"
    PROJECT_LIST: "{{ project_list|default('') }}"
    USERNAME: "{{ username|default('') }}"
    PASSWORD: "{{ password|default('') }}"
    SCHEME_TYPE: "{{ scheme_type|default('http') }}"

注：vars处定义的变量既可以被继承，也可以在此role其他文件中。

image.png

安装命令（一行式）：

$ ansible-playbook install_harbor.yml -e '{"hosts":"192.168.1.110", "path":"/opt/harbor", "admin_password":"Admin@123", "domain":"www.example.com","project_list":"test01,test02,test03", "username":"test", "password":"Test@123", "scheme_type":"http", "ansible_ssh_user":"test", "ansible_become":"yes","ansible_become_user":"root", "ansible_become_method":"sudo", "ansible_become_pass":"123456"}'

安装命令（美化式）：

$ ansible-playbook install_harbor.yml -e  '{
    "hosts":"192.168.1.110",
    "path":"/opt/harbor",
    "admin_password":"Admin@123",
    "domain":"www.example.com",
    "project_list":"test01,test02,test03",
    "username":"test",
    "password":"Test@123",
    "scheme_type":"http",
    "ansible_ssh_user":"test",
    "ansible_become":"yes",
    "ansible_become_user":"root",
    "ansible_become_method":"sudo",
    "ansible_become_pass":"123456"
}'

参考

ansible.builtin.add_host
Add a host (and alternatively a group) to the ansible-playbook in-memory inventory
https://docs.ansible.com/ansible/latest/collections/ansible/builtin/add_host_module.html

Ansible add_host没有添加到hosts文件
https://www.thinbug.com/q/31350479

关于yml配置文件的json转换
https://www.jianshu.com/p/d683f9a71b40